Struct block_modes::Ofb

pub struct Ofb<C: BlockCipher + BlockEncrypt, P: Padding> { /* fields omitted */ }

Output feedback (OFB) block mode instance with a full block feedback.

Trait Implementations

impl<C, P> BlockMode<C, P> for Ofb<C, P> where
    C: BlockCipher + BlockEncrypt,
    P: Padding, 

type IvSize = C::BlockSize

Initialization Vector size.

fn new(cipher: C, iv: &GenericArray<u8, <C as BlockCipher>::BlockSize>) -> Self

Create a new block mode instance from initialized block cipher and IV.

fn encrypt_blocks(
    &mut self,
    blocks: &mut [GenericArray<u8, <C as BlockCipher>::BlockSize>]
)

Encrypt blocks of data

fn decrypt_blocks(
    &mut self,
    blocks: &mut [GenericArray<u8, <C as BlockCipher>::BlockSize>]
)

Decrypt blocks of data

fn new_fix(
    key: &GenericArray<u8, <C as NewBlockCipher>::KeySize>,
    iv: &GenericArray<u8, Self::IvSize>
) -> Self where
    C: NewBlockCipher, 

Create a new block mode instance from fixed sized key and IV.

fn new_from_slices(key: &[u8], iv: &[u8]) -> Result<Self, InvalidKeyIvLength> where
    C: NewBlockCipher, 

Create a new block mode instance from variable size key and IV.

fn encrypt(self, buffer: &mut [u8], pos: usize) -> Result<&[u8], BlockModeError>

Encrypt message in-place.

fn decrypt(self, buffer: &mut [u8]) -> Result<&[u8], BlockModeError>

Decrypt message in-place.

fn encrypt_vec(self, plaintext: &[u8]) -> Vec<u8>

Encrypt message and store result in vector.

fn decrypt_vec(self, ciphertext: &[u8]) -> Result<Vec<u8>, BlockModeError>

Encrypt message and store result in vector.

impl<C: Clone + BlockCipher + BlockEncrypt, P: Clone + Padding> Clone for Ofb<C, P> where
    C::BlockSize: Clone, 

fn clone(&self) -> Ofb<C, P>

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<C, P> IvState<C, P> for Ofb<C, P> where
    C: BlockCipher + BlockEncrypt,
    P: Padding, 

fn iv_state(&self) -> GenericArray<u8, Self::IvSize>

Returns the IV needed to process the following block. This value MUST NOT be exposed to attackers.